mitt romney has been here since monday. but the way this debate is set up it's broken down into six 15- minute segments. the first three of which half of the debate, 45 minutes, will be completely devoted to the economy. the remaining half of the debate will focus on healthcare, the role of government and governing. >> you're at a law school right now. i have been talking to friends in denver covering the debate tonight. what can you tell me about the atmosphere right now? >> reporter: we spent a day yesterday at a job employment here in denver about 7 miles away from where the candidates are square off and people there are just screaming, jobs, jobs, jobs. we spoke to one man 61 years old a couple of months ago he became homeless and is living at a men's shelter at the salvation army. he worked his entire life. he thought at 61 he would retire, not be homeless. that's one issue that a lot of voters are hoping to hear from both sides tonight. historically, they say, though, that the first presidential debate of an election